The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 2022
Filed:
Sep. 25, 2020
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 50/10 (2016.01); H02J 50/40 (2016.01); H02J 50/80 (2016.01); H02J 50/12 (2016.01); H04B 5/00 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 50/10 (2016.02); H02J 7/00034 (2020.01); H02J 50/12 (2016.02); H02J 50/40 (2016.02); H02J 50/80 (2016.02); H04B 5/0031 (2013.01); H04B 5/0037 (2013.01);
Abstract
A wireless power transmitter and method are provided for transmitting charging power to a wireless power receiver. The method includes transmitting, to the wireless power receiver, a control signal including first time information and load change information; detecting a load change of the wireless power receiver during a period of time corresponding to the first time information; and determining that the wireless power receiver is authorized for charging, if the detected load change of the wireless power receiver corresponds to the load change information included in the control signal.